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<table width="100%" summary="page for CO2"><tr><td>CO2</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>CO2</h2>

<h3>Description</h3>

<p>Daily carbon dioxide measurements - April through November 2011
</p>


<h3>Format</h3>

<p>A dataset with 237 observations on the following 2 variables.
</p>

<table summary="Rd table">
<tr>
 <td style="text-align: right;">
    <code>CO2</code> </td><td style="text-align: left;"> Carbon dioxide (CO2) level (in parts per million)</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Day</code> </td><td style="text-align: left;"> Number of day in 2001 (April 1 = day 91</td>
</tr>
<tr>
 <td style="text-align: right;">
  </td>
</tr>

</table>



<h3>Details</h3>

<p>Scientists at a research station in Brotjacklriegel, Germany recorded
CO2 levels, in parts per million, in the atmosphere for each day from
the start of April through November in 2001.
</p>


<h3>Source</h3>

<p>http://gaw.empa.ch/gawsis/reports.asp?StationID=-739519191
</p>


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